Finding the Fourth Proportional to 205,763,468.08, 309,876,941.08 and 187,396,867.12
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Solution
The fourth proportional to 205,763,468.08, 309,876,941.08 and 187,396,867.12 is: 282,217,093.70
Step by Step Solution
- Step 1: Write the proportion equation
205,763,468.08 : 309,876,941.08 = 187,396,867.12 : x - Step 2: Convert to fraction form
205,763,468.08/309,876,941.08 = 187,396,867.12/x - Step 3: Cross multiply
205,763,468.08x = 309,876,941.08 × 187,396,867.12 - Step 4: Simplify right side
205,763,468.08x = 58,069,967,951,120,824 - Step 5: Solve for x
x = 58,069,967,951,120,824/205,763,468.08 - Step 6: Final answer
x = 282,217,093.70
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.